Simpsonville, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Simpsonville, a city in Shelby County, Kentucky.
Today
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 5 mph.
7-day forecast for Simpsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph NE | 0% |
| Tonight | 66°F | Mostly Clear | 6 mph N | 1% |
| Wednesday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph NE | 20% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 3 mph S | 20% |
| Thursday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 18% |
| Thursday Night | 70°F | Slight Chance Showers And Thunderstorms | 7 mph S | 44% |
| Friday | 86°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 58% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 7 mph SW | 58% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 7 mph SW | 36% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph SW | 34% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 17% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 mph SW | 17% |
| Monday | 90°F | Mostly Sunny | 6 to 9 mph SW | 12% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Simpsonville (38.217, -85.350). Updated through the day.
Growing snapshot for Simpsonville
Last spring frost
May 1
First fall frost
Oct 10
Growing season
161 days
Hardiness zone
6b
More local growing data for Simpsonville: nearby ZIP 40067 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Shelbyville 1 E, Ky (9.3 mi from Simpsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.